Use and Care Manual

© 2011 Schneider Electric
All Rights Reserved
Commercial Pressure and Float Switches for Power Circuits
Float Switches—Class 9036, 9037, and 9038
56
03/2011
Position 2 Operation
In Position 2, the contacts open when the liquid rises. Select rod kits from Table 17.
Position 3 Operation
In Position 3, the contacts can be set to open (standard) or close (sump) on liquid rise by turning the
control switch 180° around its horizontal center line. Select rod kits from Table 18.
Table 17: Class 9049 Rod Kits—Position 2 Operation (Contacts Open on Liquid Rise)
Catalog Numbers
Dimension
in. (mm)
For Use on Float Switch Types
Rod Kits
9049ER1 9049ER2 9049ER3 9049ER5 9049ER7 9049ER12
R EG9, EW9, ER9, EG13, EW13, ER13 1.75 (44) 2.50 (64) 3.25 (83) 5.25 (133) 7.25 (184) 12.25 (311)
H EG9, EW9, ER9, EG13, EW13, ER13 7.50 (191) 8.25 (210) 9.00 (229) 11.00 (279) 13.00 (330) 18.00 (457)
A
Min.
EG9, EW9, ER9 1.00 (25) 1.00 (25) 1.00 (25) 1.00 (25) 1.00 (25) 1.00 (25)
EG13, EW13, ER13 3.06 (78) 3.06 (78) 3.06 (78) 3.06 (78) 3.06 (78) 3.06 (78)
Max.
EG9, EW9, ER9 3.00 (76) 3.50 (89) 4.00 (102) 5.00 (127) 6.00 (152) 8.50 (216)
EG13, EW13, ER13 5.06 (129) 5.56 (141) 6.06 (154) 7.06 (179) 8.06 (205) 10.56 (268)
F
Min. EG9, EW9, ER9, EG13, EW13, ER13 5.25 (133) 5.75 (146) 6.00 (152) 6.75 (171) 7.75 (197) 10.25 (260)
Max. EG9, EW9, ER9, EG13, EW13, ER13 7.25 (184) 8.25 (210) 9.00 (229) 10.75 (273) 12.75 (324) 17.75 (451)
Water Level
Change
Min. EG9, EW9, ER9, EG13, EW13, ER13 2.75 (70) 2.75 (70) 3.00 (76) 3.75 (95) 4.75 (121) 7.25 (184)
Max. EG9, EW9, ER9, EG13, EW13, ER13 4.25 (108) 5.25 (133) 6.00 (152) 7.75 (197) 9.00 (229) 12.25 (311)
Table 18: Class 9049 Rod Kits—Position 3 Operation (Contact Operation Adjustable)
Catalog Numbers
Dimension
in. (mm)
For Use on Float Switch Types
Rod Kits
9049ER1 9049ER2 9049ER3 9049ER5 9049ER7 9049ER12
R EG9, EW9, ER9, EG13, EW13, ER13 1.75 (44) 2.50 (64) 3.25 (83) 5.25 (133) 7.25 (184) 12.25 (311)
H
EG9, EW9, ER9 9.00 (229) 9.75 (248) 10.50 (267) 12.50 (318) 14.50 (368) 19.50 (495)
EG13, EW13, ER13 11.00 (279) 11.75 (298) 12.50 (318) 14.50 (368) 16.50 (419) 21.50 (546)
f1 or f2
Min. EG9, EW9, ER9, EG13, EW13, ER13 2.75 (70) 2.75 (70) 3.00 (76) 3.50 (89) 3.75 (95) 4.50 (114)
Max. EG9, EW9, ER9, EG13, EW13, ER13 4.50 (114) 4.50 (114) 5.00 (127) 6.00 (152) 7.00 (178) 9.50 (241)
F
Min. EG9, EW9, ER9, EG13, EW13, ER13 5.50 (140) 5.50 (140) 6.00 (152) 7.00 (178) 7.50 (191) 8.75 (222)
Max. EG9, EW9, ER9, EG13, EW13, ER13 9.00 (229) 9.00 (229) 10.00 (254) 12.00 (305) 14.00 (356) 19.00 (483)
Water Level
Change
Min. EG9, EW9, ER9, EG13, EW13, ER13 2.25 (57) 2.25 (57) 2.75 (70) 3.75 (95) 4.25 (108) 5.5 (140)
Max. EG9, EW9, ER9, EG13, EW13, ER13 5.75 (146) 5.75 (146) 6.75 (171) 8.75 (222) 10.75 (273) 15.75 (400)